应当只使用符合认可标准的电气装置、插头、线路断路器和其它有关设备。

Only fixtures, plugs, circuit breakers, and other equipment which comply with recognized standards should be used.

youdao

应当只使用符合认可标准的电气装置、插头、线路断路器和其它有关设备。

Only fixtures, plugs, circuit breakers, and other equipment which comply with recognized standards should be used.

youdao